3891846 has 32 divisors (see below), whose sum is σ = 9365760. Its totient is φ = 1053216.

The previous prime is 3891841. The next prime is 3891847. The reversal of 3891846 is 6481983.

3891846 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3891841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1641 + ... + 3236.

It is an arithmetic number, because the mean of its divisors is an integer number (292680).

Almost surely, 2^3891846 is an apocalyptic number.

3891846 is an abundant number, since it is smaller than the sum of its proper divisors (5473914).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3891846 is a wasteful number, since it uses less digits than its factorization.

3891846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4908.

The product of its digits is 41472, while the sum is 39.

The square root of 3891846 is about 1972.7762164016. The cubic root of 3891846 is about 157.2963151841.

The spelling of 3891846 in words is "three million, eight hundred ninety-one thousand, eight hundred forty-six".